Really, to me this is the best sight ever. Please meet little Bramble, my most recent foster kitten. She is estimated to now be 4 days old and I've had her for the last 2 days.
She was named Bramble because of the massive 'tude she had when she arrived at my work. At 2 days old she was hissing and spitting at everyone. That level of feisty drew me to her and despite earlier saying I wasn't raising anymore kittens this year, I had to lay claim. After the 12 hours it took her to understand what the bottle was for, the hissing stopped and she is now a giant pile of purring, biting/suckling fluff. She does have a few superficial injuries (one on her side, and one on her tail) but she seems to be doing well.
I'm really looking forward to watching her develop into her super dark siamese-y self.
Despite what nearly all the online 'kitten milestone' guides tell you, kittens CAN purr before they are 2 weeks old. They can purr the day they are born, it simply sounds more like 'pop pop pop' than a proper prrrrRRRRRRrrrrrrrRRRRRRRrrrrrrrr.